Mjoy16 USB AVR Joystick

[tirta]

yes, I have tried it,
but it does not work in my computer,
I get this message instead:


Do you know what is wrong?

BTW my windows is XP SP2 and I get DXTweak2 from this link:
http://www.wingmanteam.com/files/Tools/ ... Tweak2.exe

[ka4a4eto]

how to make the axes to include and exclude ???
mjoy1_2

[MMASailor20]

Sokol1 I downloaded the MJOY16 board and schematic from your google site you gave me. Eagle won't open any of the files...any suggestions?

[Sokol1]

If you mean this site - http://sites.google.com/site/mjoy16/download_encoders - this is not my site, as I don't understand Polish - the files - for Mjoy-Encoders are made in SprintLayout 5 - not compatible with Eagle:

http://www.abacom-online.de/uk/html/sprint-layout.html

You can open an print - or made a .PDF file - with free Sprint-Layout-Viewer:

http://www.abacom-online.de/uk/html/dat ... yout50.exe

EDIT - A big confusion, the Mjoy16 PCB in Polish site was made in Eagle:

http://sites.google.com/site/mjoy16/Pro ... edirects=0

I don't know with version of Eagle... but since all Mjoy16 use the same electric scheme and firmware, no reason to use this specific layout. Use one posted here.

Sokol1

[MMASailor20]

On mouser.com, they just recently added the updated ATMega16A-PU. I presume this can be used in place of the ATMega16-16PU?

[Frakk]

http://www.atmel.com/dyn/resources/prod ... oc8163.pdf

They don't mention any changes as far as programming goes, so you are probably fine using it. I would however compare their datasheets to make sure.

[elnino]

Hi all, this is my first post so please be nice.

I have been browsing this thread on Mjoy after making my own for my racing sim. I am using a v1.4 board and was using v1.2 'off the shelf' Mad Dog firmware/schematic. I've since come to realise that v1.2 is not so good for the racing sim since it uses autocalibration. The problem is, i'd like to retain the 4 X 10bit axes of the 1.2 over 1.1.

I've looked at the source code for 1.2 and tried to disable the auto calibration feature. At first it seemed easy, just comment out the calibration routines and i'm done but closer inspection shows that it still uses the eeprom in other ways that i'm not sure i can just comment out. I.e reading the calibration from eeprom on power up etc. It tried comparing it to every other version of Mjoy(8) i could find but they all seem to be based on 1.1 code, not 1.2. I'm not overly good with ASM so i struggle to understand what i can and can't throw out of the code. I know it can't be too hard but i just don't really know what i am doing with ASM. C,VB,Perl etc i am fine but not ASM.

So, I sort of have 2 questions - Has someone already done this and perhaps can provide a link to files/page etc or, perhaps someone with a little more knowledge in ASM/AVR might be able to help me out?

[Sokol1]

If change the .ASM(firware codes) are too complicated, why not forgot these 1.1 and 1.2 Mindaugas(Mean Dog)/Lazzy Camel firmwares and use Mercury firmwares?


mjoy16-usb-avr-joystick-t726-330.html

The DONT have autocalibation, and have many options, with 3/4 or 6 axis (8/10 bits).

Sokol1

[elnino]

Because i have already made a working Mean Dog board and the schematic for the Mercury ones are different. His uses different pins for buttons and USB.

For the moment i am using plain v1.1 and it's ok i think. Perhaps i was just being a little anal about 4 X 10bit axes.

[thren]

Hi all,
I currently have 2 projects underway........
1: converting a logitech joystick to a H-shift...... (almost done)
2: making a CST style "manual" pedal set.....

(hardware of first pedal complete)

most of the bits for the other 2 pedals almost done. (waiting on load cell)


I will be needing a "mjoy" circuit of some kind to drive the data so
Ive read this thread all the way through.

I see there are atmega8 and atmega16 versions of the MJOY.
Ive read the various posts and looked at the various circuits....
Im a hack when it comes to electronics and the documentation in the WIKI for tronic's atmega8 version
looks to me to be one I can do. It has all the info I need.
http://www.x-simulator.de/wiki/Mjoy16_USB_AVR_Joystick_by_TronicGr
PCB printable layout and parts list etc.
V1.1 firmware thats made for pedals (non- auto calibration)

Now for a couple of questions .................
Q1: Im also going to make a button box.

I have the option of either using the buttons from the logitech attack3 joystick used for the shifter,
(which has more than enough buttons for what I need)
or use the button takeoffs from the....... MJOY,
which would be recommended ?

Q2: What wattage resistors should I use for the MJOY circuit.
1/4w ....1/2w.....1w .....???

cheers
thren